Home / 753,810.46-1,040,500.88-482,608.80

Finding the Fourth Proportional to 753,810.46, 1,040,500.88 and 482,608.80

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Solution

The fourth proportional to 753,810.46, 1,040,500.88 and 482,608.80 is: 666,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,810.46 : 1,040,500.88 = 482,608.80 : x
  2. Step 2: Convert to fraction form
    753,810.46/1,040,500.88 = 482,608.80/x
  3. Step 3: Cross multiply
    753,810.46x = 1,040,500.88 × 482,608.80
  4. Step 4: Simplify right side
    753,810.46x = 502,154,881,095.74
  5. Step 5: Solve for x
    x = 502,154,881,095.74/753,810.46
  6. Step 6: Final answer
    x = 666,155.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.